Dr. Cassie Smith Md

About the Author

Dr. Cassie Smith, MD, is a board-certified physician and leading expert in functional medicine, with a passion for uncovering the hidden links between gut health and hormonal balance. Drawing from over two decades of clinical experience, she has helped thousands of patients reclaim their vitality by addressing root causes often overlooked in conventional care. In her groundbreaking book, Fix Your Gut, Fix Your Hormones: The Critical Connection Your Doctor Is Missing… And Why You Still Feel Terrible Despite “Normal” Labs, Dr. Smith demystifies how gut dysfunction disrupts hormones, leading to persistent symptoms like fatigue, weight gain, and mood swings. Through evidence-based strategies and real patient stories, she empowers readers to achieve lasting wellness beyond standard lab results. A sought-after speaker and advocate for integrative health, Dr. Smith continues to challenge the status quo in women's medicine.